Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.142 4.982/5.976 5.444 ± 0.7346
ea02 1342 1342/1342 1342 ± 0.00002931 5.455 5.112/6.642 5.918 ± 0.9132
ea04 1342 1342/1342 1342 ± 0.00002835 5.387 4.894/5.912 5.443 ± 0.6963
ea05 1342 1342/1342 1342 ± 0.000009238 5.555 5.032/6.539 5.774 ± 0.83
ea06 1342 1342/1342 1342 ± 0.00002444 4.62 4.183/5.243 4.724 ± 0.5785
ea07 1342 1342/1342 1342 ± 0.00004342 5.591 5.165/6.293 5.796 ± 0.8164
ea08 1342 1342/1342 1342 ± 0.00004283 5.498 5.311/6.743 5.997 ± 0.9326
ea09 1342 1342/1342 1342 ± 0 5.625 5.107/6.548 5.777 ± 0.7861
ea10 1342 1342/1342 1342 ± 0.00004394 5.439 5.06/6.585 5.775 ± 0.8772
ea11 1342 1342/1342 1342 ± 0.00004526 5.185 4.767/6.414 5.623 ± 0.9413
ea12 1342 1342/1342 1342 ± 0.00003111 5.632 5.07/6.17 5.724 ± 0.8423
ea13 1342 1342/1342 1342 ± 0 5.531 5.267/6.344 5.937 ± 0.7951
ea14 1342 1342/1342 1342 ± 0.00003492 5.301 5.041/6.356 5.68 ± 0.7833
ea15 1342 1342/1342 1342 ± 0.000008936 5.065 4.919/6.19 5.534 ± 0.8409
ea16 1342 1342/1342 1342 ± 0.00001574 5.803 5.229/6.828 6.063 ± 0.9912
ea17 1342 1342/1342 1342 ± 0.00004489 5.602 5.118/6.409 5.858 ± 0.9075
ea18 1342 1342/1342 1342 ± 0.00004272 4.594 4.464/5.4 4.908 ± 0.7041
ea19 1342 1342/1342 1342 ± 0.0000218 5.805 5.373/6.803 6.102 ± 0.8428
ea20 1342 1342/1342 1342 ± 0.00003961 5.689 5.297/6.723 5.971 ± 0.9263
ea21 1342 1342/1342 1342 ± 0.00002469 5.4 5.185/6.399 5.758 ± 0.8183
ea22 1342 1342/1342 1342 ± 0.000003991 5.077 4.852/6.302 5.529 ± 0.7864
ea23 1342 1342/1342 1342 ± 0.00004014 5.328 5.268/6.576 5.904 ± 0.9191
ea25 1342 1342/1342 1342 ± 0.00004457 5.165 5.05/6.066 5.535 ± 0.7913
ea26 1342 1342/1342 1342 ± 0 5.641 5.473/6.961 6.158 ± 0.8492
ea27 1342 1342/1342 1342 ± 0.00004363 5.333 5.192/6.426 5.663 ± 0.7646
ea28 1342 1342/1342 1342 ± 0.0000434 5.601 5.204/6.406 5.807 ± 0.823
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002354 5.278 5.053/5.582 5.268 ± 0.3203
3 1342 1342/1342 1342 ± 0.0000468 4.186 3.885/4.411 4.09 ± 0.4498
5 1342 1342/1342 1342 ± 0.00003683 5.802 5.567/6.097 5.853 ± 0.3491
6 1342 1342/1342 1342 ± 0.00002354 5.11 4.887/5.227 5.038 ± 0.2872
7 1342 1342/1342 1342 ± 0.00002374 5.147 5.024/5.317 5.125 ± 0.2843
8 1342 1342/1342 1342 ± 0.00002354 5.115 4.984/5.243 5.096 ± 0.3109
9 1342 1342/1342 1342 ± 0.00002477 5.289 4.991/5.465 5.2 ± 0.3524
10 1342 1342/1342 1342 ± 0.0000235 5.999 5.861/6.162 5.958 ± 0.3182
11 1342 1342/1342 1342 ± 0.0000235 6.261 6.162/6.42 6.244 ± 0.3391
12 1342 1342/1342 1342 ± 0.0000235 6.531 6.304/6.653 6.461 ± 0.3719
13 1342 1342/1342 1342 ± 0.0000235 6.994 6.83/7.202 6.936 ± 0.4105
14 1342 1342/1342 1342 ± 0.0000235 7.151 6.95/7.408 7.126 ± 0.4598
15 1342 1342/1342 1342 ± 0.00002825 6.333 5.963/6.85 6.346 ± 0.6369
16 1342 1342/1342 1342 ± 0.00006057 4.609 4.438/4.756 4.597 ± 0.2458
17 1342 1342/1342 1342 ± 0.00006103 4.882 4.701/5.066 4.888 ± 0.3051
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-12-06 00:45:42.166
End
2024-12-06 01:14:09.456
Duration
0:28:27.289
Note, WebLog generation is not included in the time.

CASA logs for stage 8